Gilles Crofils
Product Lead at Nook
Lisbon, Portugal
Summary
👤
Senior🎓
Top SchoolGilles Crofils is a seasoned product and technology leader with 14+ years building scalable web platforms and cross-border digital experiences across Europe and Asia. Currently leading product at Nook, he’s turning conversational AI into a personal health coach that remembers users’ histories and adapts to real life rather than forcing one-size-fits-all plans. Previously a hands-on CTO at SwitchUp and Propulsion Ecommerce, he architected microservices platforms that supported 10× user growth and significant uptime improvements while managing teams across continents. His background blends deep technical fluency in Ruby/Rails, AWS and distributed systems with product instincts honed on large e-commerce and enterprise digital transformations. Fluent in cross-cultural leadership from long stints in APAC and fluent Chinese study, he combines strategic vision with day-to-day engineering rigor. He’s also an AI hobbyist who prototypes personal projects under “My Own Adventures,” exploring ML features and human-centric interactions outside formal deadlines.
14 years of coding experience
16 years of employment as a software developer
Prépa (Math. Sup) Prépa (Math. Sup), Prépa (Math. Sup) Prépa (Math. Sup) at Lycée Jacques AmyotMaster's Degree Fundamental physics, Master's Degree Fundamental physics at Paris-Sud University (Paris XI)Postgraduate degree Epistemology and history of exact sciences, Postgraduate degree Epistemology and history of exact sciences at Université Paris CitéDeug Sciences, Deug Sciences at Université Évry Paris-SaclayLevel 1 Chinese Language and civilization, Level 1 Chinese Language and civilization at Beijing Foreign Studies University
French, English, Chinese
Github Skills (15)
cms10
javascript10
rails10
front-end-development10
backend10
back-end-development10
ruby-on-rails10
database-optimization10
database9
cm9
database-api9
content-management-system9
databases9
css7
html7
Programming languages (2)
Github contributions (5)
swupde/sipgate
Sep 2020 - Jan 2022
Contributions:1 release, 2 PRs, 3 pushes in 1 year 4 months
SecondBureau/rails-bootstrap-forms
Jun 2016 - Apr 2020
Contributions:11 pushes, 1 branch in 3 years 9 months
form-helpersform-builderrubyrails-form-buildertwitter
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